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/*
Copyright 2013 bigbiff/Dees_Troy TeamWin
This file is part of TWRP/TeamWin Recovery Project.
TWRP is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
TWRP is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with TWRP. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <time.h>
#include <unistd.h>
#include "cutils/properties.h"
extern "C" {
#include "minadbd/adb.h"
}
#ifdef ANDROID_RB_RESTART
#include "cutils/android_reboot.h"
#else
#include <sys/reboot.h>
#endif
extern "C" {
#include "gui/gui.h"
}
#include "twcommon.h"
#include "twrp-functions.hpp"
#include "data.hpp"
#include "partitions.hpp"
#include "openrecoveryscript.hpp"
#include "variables.h"
TWPartitionManager PartitionManager;
int Log_Offset;
static void Print_Prop(const char *key, const char *name, void *cookie) {
printf("%s=%s\n", key, name);
}
int main(int argc, char **argv) {
// Recovery needs to install world-readable files, so clear umask
// set by init
umask(0);
Log_Offset = 0;
// Set up temporary log file (/tmp/recovery.log)
freopen(TMP_LOG_FILE, "a", stdout);
setbuf(stdout, NULL);
freopen(TMP_LOG_FILE, "a", stderr);
setbuf(stderr, NULL);
// Handle ADB sideload
if (argc == 3 && strcmp(argv[1], "--adbd") == 0) {
adb_main(argv[2]);
return 0;
}
time_t StartupTime = time(NULL);
printf("Starting TWRP %s on %s", TW_VERSION_STR, ctime(&StartupTime));
// Load default values to set DataManager constants and handle ifdefs
DataManager::SetDefaultValues();
printf("Starting the UI...");
gui_init();
printf("=> Linking mtab\n");
symlink("/proc/mounts", "/etc/mtab");
printf("=> Processing recovery.fstab\n");
if (!PartitionManager.Process_Fstab("/etc/recovery.fstab", 1)) {
LOGERR("Failing out of recovery due to problem with recovery.fstab.\n");
return -1;
}
PartitionManager.Output_Partition_Logging();
// Load up all the resources
gui_loadResources();
PartitionManager.Mount_By_Path("/cache", true);
string Zip_File, Reboot_Value;
bool Cache_Wipe = false, Factory_Reset = false, Perform_Backup = false;
int index, index2;
char* ptr;
printf("Startup Commands: ");
for (index = 1; index < argc; index++) {
printf(" '%s'", argv[index]);
if (*argv[index] == 'u') {
ptr = argv[index];
index2 = 0;
while (*ptr != '=' && *ptr != '\n')
ptr++;
if (*ptr) {
Zip_File = ptr;
} else
LOGERR("argument error specifying zip file\n");
} else if (*argv[index] == 'c') {
Cache_Wipe = true;
} else if (*argv[index] == 'w') {
Factory_Reset = true;
} else if (*argv[index] == 'n') {
Perform_Backup = true;
} else if (*argv[index] == 's') {
ptr = argv[index];
index2 = 0;
while (*ptr != '=' && *ptr != '\n')
ptr++;
if (*ptr) {
Reboot_Value = *ptr;
}
}
}
char twrp_booted[PROPERTY_VALUE_MAX];
property_get("ro.twrp.boot", twrp_booted, "0");
if (strcmp(twrp_booted, "0") == 0) {
property_list(Print_Prop, NULL);
printf("\n");
property_set("ro.twrp.boot", "1");
}
// Check for and run startup script if script exists
TWFunc::check_and_run_script("/sbin/runatboot.sh", "boot");
TWFunc::check_and_run_script("/sbin/postrecoveryboot.sh", "boot");
#ifdef TW_INCLUDE_INJECTTWRP
// Back up TWRP Ramdisk if needed:
TWPartition* Boot = PartitionManager.Find_Partition_By_Path("/boot");
string result;
LOGINFO("Backing up TWRP ramdisk...\n");
if (Boot == NULL || Boot->Current_File_System != "emmc")
TWFunc::Exec_Cmd("injecttwrp --backup /tmp/backup_recovery_ramdisk.img", result);
else {
string injectcmd = "injecttwrp --backup /tmp/backup_recovery_ramdisk.img bd=" + Boot->Actual_Block_Device;
TWFunc::Exec_Cmd(injectcmd, result);
}
LOGINFO("Backup of TWRP ramdisk done.\n");
#endif
bool Keep_Going = true;
if (Perform_Backup) {
DataManager::SetValue(TW_BACKUP_NAME, "(Current Date)");
if (!OpenRecoveryScript::Insert_ORS_Command("backup BSDCAE\n"))
Keep_Going = false;
}
if (Keep_Going && !Zip_File.empty()) {
string ORSCommand = "install " + Zip_File;
if (!OpenRecoveryScript::Insert_ORS_Command(ORSCommand))
Keep_Going = false;
}
if (Keep_Going) {
if (Factory_Reset) {
if (!OpenRecoveryScript::Insert_ORS_Command("wipe data\n"))
Keep_Going = false;
} else if (Cache_Wipe) {
if (!OpenRecoveryScript::Insert_ORS_Command("wipe cache\n"))
Keep_Going = false;
}
}
TWFunc::Update_Log_File();
// Offer to decrypt if the device is encrypted
if (DataManager::GetIntValue(TW_IS_ENCRYPTED) != 0) {
LOGINFO("Is encrypted, do decrypt page first\n");
if (gui_startPage("decrypt") != 0) {
LOGERR("Failed to start decrypt GUI page.\n");
}
}
// Read the settings file
DataManager::ReadSettingsFile();
// Run any outstanding OpenRecoveryScript
if (DataManager::GetIntValue(TW_IS_ENCRYPTED) == 0 && (TWFunc::Path_Exists(SCRIPT_FILE_TMP) || TWFunc::Path_Exists(SCRIPT_FILE_CACHE))) {
OpenRecoveryScript::Run_OpenRecoveryScript();
}
// Launch the main GUI
gui_start();
// Check for su to see if the device is rooted or not
if (PartitionManager.Mount_By_Path("/system", false)) {
// Disable flashing of stock recovery
if (TWFunc::Path_Exists("/system/recovery-from-boot.p")) {
rename("/system/recovery-from-boot.p", "/system/recovery-from-boot.bak");
gui_print("Renamed stock recovery file in /system to prevent\nthe stock ROM from replacing TWRP.\n");
}
if (TWFunc::Path_Exists("/supersu/su") && !TWFunc::Path_Exists("/system/bin/su") && !TWFunc::Path_Exists("/system/xbin/su") && !TWFunc::Path_Exists("/system/bin/.ext/.su")) {
// Device doesn't have su installed
DataManager::SetValue("tw_busy", 1);
if (gui_startPage("installsu") != 0) {
LOGERR("Failed to start decrypt GUI page.\n");
}
} else if (TWFunc::Check_su_Perms() > 0) {
// su perms are set incorrectly
DataManager::SetValue("tw_busy", 1);
if (gui_startPage("fixsu") != 0) {
LOGERR("Failed to start decrypt GUI page.\n");
}
}
sync();
PartitionManager.UnMount_By_Path("/system", false);
}
// Reboot
TWFunc::Update_Intent_File(Reboot_Value);
TWFunc::Update_Log_File();
gui_print("Rebooting...\n");
string Reboot_Arg;
DataManager::GetValue("tw_reboot_arg", Reboot_Arg);
if (Reboot_Arg == "recovery")
TWFunc::tw_reboot(rb_recovery);
else if (Reboot_Arg == "poweroff")
TWFunc::tw_reboot(rb_poweroff);
else if (Reboot_Arg == "bootloader")
TWFunc::tw_reboot(rb_bootloader);
else if (Reboot_Arg == "download")
TWFunc::tw_reboot(rb_download);
else
TWFunc::tw_reboot(rb_system);
#ifdef ANDROID_RB_RESTART
android_reboot(ANDROID_RB_RESTART, 0, 0);
#else
reboot(RB_AUTOBOOT);
#endif
return 0;
}
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